In the figure shown, PQs is a straight line. What is the value of < PRQ?

In the diagram, PQ//RS, QU//PT and < PSR = 42^o. Find angle x.

In the figure /PX/ = /XQ/, PQ//YZ and XV//QR. What is the ratio of the area of XYZQ to te area of \(\bigtriangleup\)YZR?

In the diagram, O is the centre of the circle and PQRS is a cyclic quadrilateral. Find the value of x.